103 lines
3.3 KiB
VimL
103 lines
3.3 KiB
VimL
" MIT License. Copyright (c) 2013-2014 Bailey Ling.
|
|
" vim: et ts=2 sts=2 sw=2
|
|
|
|
" http://got-ravings.blogspot.com/2008/10/vim-pr0n-statusline-whitespace-flags.html
|
|
|
|
" for backwards compatibility
|
|
if exists('g:airline_detect_whitespace')
|
|
let s:show_message = g:airline_detect_whitespace == 1
|
|
else
|
|
let s:show_message = get(g:, 'airline#extensions#whitespace#show_message', 1)
|
|
endif
|
|
|
|
let s:symbol = get(g:, 'airline#extensions#whitespace#symbol', g:airline_symbols.whitespace)
|
|
let s:default_checks = ['indent', 'trailing']
|
|
|
|
let s:trailing_format = get(g:, 'airline#extensions#whitespace#trailing_format', 'trailing[%s]')
|
|
let s:mixed_indent_format = get(g:, 'airline#extensions#whitespace#mixed_indent_format', 'mixed-indent[%s]')
|
|
let s:indent_algo = get(g:, 'airline#extensions#whitespace#mixed_indent_algo', 0)
|
|
|
|
let s:max_lines = get(g:, 'airline#extensions#whitespace#max_lines', 20000)
|
|
|
|
let s:enabled = get(g:, 'airline#extensions#whitespace#enabled', 1)
|
|
|
|
function! s:check_mixed_indent()
|
|
if s:indent_algo == 1
|
|
" [<tab>]<space><tab>
|
|
" spaces before or between tabs are not allowed
|
|
let t_s_t = '(^\t* +\t\s*\S)'
|
|
" <tab>(<space> x count)
|
|
" count of spaces at the end of tabs should be less then tabstop value
|
|
let t_l_s = '(^\t+ {' . &ts . ',}' . '\S)'
|
|
return search('\v' . t_s_t . '|' . t_l_s, 'nw')
|
|
else
|
|
return search('\v(^\t+ +)|(^ +\t+)', 'nw')
|
|
endif
|
|
endfunction
|
|
|
|
function! airline#extensions#whitespace#check()
|
|
if &readonly || !&modifiable || !s:enabled || line('$') > s:max_lines
|
|
return ''
|
|
endif
|
|
|
|
if !exists('b:airline_whitespace_check')
|
|
let b:airline_whitespace_check = ''
|
|
let checks = get(g:, 'airline#extensions#whitespace#checks', s:default_checks)
|
|
|
|
let trailing = 0
|
|
if index(checks, 'trailing') > -1
|
|
let trailing = search('\s$', 'nw')
|
|
endif
|
|
|
|
let mixed = 0
|
|
if index(checks, 'indent') > -1
|
|
let mixed = s:check_mixed_indent()
|
|
endif
|
|
|
|
if trailing != 0 || mixed != 0
|
|
let b:airline_whitespace_check = s:symbol
|
|
if s:show_message
|
|
if trailing != 0
|
|
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:trailing_format, trailing)
|
|
endif
|
|
if mixed != 0
|
|
let b:airline_whitespace_check .= (g:airline_symbols.space).printf(s:mixed_indent_format, mixed)
|
|
endif
|
|
endif
|
|
endif
|
|
endif
|
|
return b:airline_whitespace_check
|
|
endfunction
|
|
|
|
function! airline#extensions#whitespace#toggle()
|
|
if s:enabled
|
|
augroup airline_whitespace
|
|
autocmd!
|
|
augroup END
|
|
augroup! airline_whitespace
|
|
let s:enabled = 0
|
|
else
|
|
call airline#extensions#whitespace#init()
|
|
let s:enabled = 1
|
|
endif
|
|
|
|
if exists("g:airline#extensions#whitespace#enabled")
|
|
let g:airline#extensions#whitespace#enabled = s:enabled
|
|
if s:enabled && match(g:airline_section_warning, '#whitespace#check') < 0
|
|
let g:airline_section_warning .= airline#section#create(['whitespace'])
|
|
call airline#update_statusline()
|
|
endif
|
|
endif
|
|
echo 'Whitespace checking: '.(s:enabled ? 'Enabled' : 'Disabled')
|
|
endfunction
|
|
|
|
function! airline#extensions#whitespace#init(...)
|
|
call airline#parts#define_function('whitespace', 'airline#extensions#whitespace#check')
|
|
|
|
unlet! b:airline_whitespace_check
|
|
augroup airline_whitespace
|
|
autocmd!
|
|
autocmd CursorHold,BufWritePost * unlet! b:airline_whitespace_check
|
|
augroup END
|
|
endfunction
|
|
|